Image tessellation for region-specific coefficient access

Details Image tessellation for region-specific coefficient access Image tessellation for region-specific coefficient access

H - Electricity

04

N

H04N 1/41 (2006.01) G06T 9/00 (2006.01) H04N 7/26 (2006.01)

Patent

CA 2411297

The present technique addressably handles image data (402), which is decomposed and tessellated into a plurality of tessellated sub-band blocks (430, 474, 516). The tessellated sub-band blocks (430, 474, 516) may be addressed by an array of indices, which identify specific data blocks of the image data (402) by decomposition level and spatial coordinates of the tessellated sub-band blocks (430, 474, 516). Accordingly, a desired region (604, 672, 700) of the image data (402) at multiple resolutions can be identified and individually handled for storage, transmission, retrieval, and display. The desired region (604, 672, 700) also can be reference marked based on the array of indices.

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